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5 papers · 2 filters
Bottomonium from lattice QCD as a probe of the Quark-Gluon Plasma
G. Aarts, C. Allton, A. Kelly +7
We study the temperature dependence of bottomonium for temperatures in the range 0.4 Tc < T < 2.1 Tc, using non-relativistic dynamics for the bottom quark and full relativistic lat…
Lattice investigation of the scalar mesons a_0(980) and κ using four-quark operators
Constantia Alexandrou, Jan Oliver Daldrop, Mattia Dalla Brida +4
We carry out an exploratory study of the isospin one a0(980) and the isospin one-half kappa scalar mesons using Nf=2+1+1 Wilson twisted mass fermions at one lattice spacing. The va…
Emerging understanding of the ΔI = 1/2 Rule from Lattice QCD
P. A. Boyle, N. H. Christ, N. Garron +8
There has been much speculation as to the origin of the ΔI = 1/2 rule (Re A_0/Re A_2 \simeq 22.5). We find that the two dominant contributions to the ΔI=3/2, K \to ππ correlation f…
S wave bottomonium states moving in a quark-gluon plasma from lattice NRQCD
Gert Aarts, Chris Allton, Seyong Kim +5
We extend our study of bottomonium spectral functions in the quark-gluon plasma to nonzero momentum. We use lattice QCD simulations with two flavours of light quark on highly aniso…
Interactions of Charmed Mesons with Light Pseudoscalar Mesons from Lattice QCD and Implications on the Nature of the D_{s0}^*(2317)
Liuming Liu, Kostas Orginos, Feng-Kun Guo +2
We study the scattering of light pseudoscalar mesons (, ) off charmed mesons (, ) in full lattice QCD. The S-wave scattering lengths are calculated using Lüscher's fi…